Ultrasonic mouth washing tool



FIG. 1 is a front elevation of an ultrasonic mouth washing tool showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a is a bottom plan view thereof;

FIG. 4 is a left side elevation thereof, the side opposite being a mirror image;

FIG. 5 is a cross sectional view thereof taken along line A—A in FIG. 1; and,

FIG. 6 is a cross sectional view thereof taken along line B—B in FIG. 1. 

The ornamental design for an ultrasonic mouth washing tool, as shown and described. 